This certainly looks like the family you are interested in. Information-wise this is a very good obituary.
Hartford Courant (Connecticut) 21 Aug 1905; page 12 South Manchester, Aug 20th Mrs. Mary Chambers, wife of Christopher Chambers of Maple street, died at 7 o'clock this morning after a five months' illness with gastric fever. She was born in Scotland and it was in that country that she married Mr. Chambers. She was the mother of twelve children, eight of whom survive her. They are Thomas, Robert, Annie, Mary, Lizzie, Christine, Jennie and Margaret. Her husband also survives her. The funeral will probably be held Tuesday afternoon at 4 o'clock and interment will be in the East Cemetery.